Which of the following is NOT one of the main elements of the Skype network?

When asking customers for feedback, use of open-ended questions is best

Indicate whether the statement is true or false

What is the probability that there are more than 3 breakdowns?

Two hundred simulation runs were completed using the probability of a machine breakdown from the table below. The average number of breakdowns from the simulation trials was 1.93 with a standard deviation of 0.20. No. of breakdowns per week Probability Cumulative probability 0 .10 .10 1 .25 .35 2 .36 .71 3 .22 .93 4 .07 1.00 A) .07 B) .10 C) .22 D) .25